Microsoft Out‑of‑Band Updates Announcement

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Today, Microsoft announced the release of out‑of‑band (OOB) updates to address recently identified issues impacting multiple Windows Server versions. Please let us know when it will be visible in BigFix prod console.

  1. windows Server 2025: KB5091157 (OS Build 26100.32698)
  2. Windows Server 2022: KB5091575 (OS Build 20348.5024)
  3. Windows Server 2019: KB5091573 (OS Build 17763.8647)
  4. Windows Server 2016: KB5091572 (OS Build 14393.9062)
  5. Windows Server 2025 Datacenter: Azure Edition: Hotpatch KB5091470 (OS Build 26100.32704)
  6. Windows Server 2022 Datacenter: Azure Edition: Hotpatch KB5091576 (OS Build 20348.5029)
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Hi Team, Kindly provide an update.

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Hello,
This is ready to be released, and should be available today, post publication in next few hours
Thank you

4

Hello ,
Its published now , please check
Update KB5091576 has not been released because the binary is missing from WSUS

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Thank you so much @Girish

1 Like
6

@Girish I think you meant - Content Release: Patches for Windows published 2026-04-21

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